Finding the Fourth Proportional to 122,955.14, 168,572.14 and 120,713.47
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Solution
The fourth proportional to 122,955.14, 168,572.14 and 120,713.47 is: 165,498.80
Step by Step Solution
- Step 1: Write the proportion equation
122,955.14 : 168,572.14 = 120,713.47 : x - Step 2: Convert to fraction form
122,955.14/168,572.14 = 120,713.47/x - Step 3: Cross multiply
122,955.14x = 168,572.14 × 120,713.47 - Step 4: Simplify right side
122,955.14x = 20,348,927,964.73 - Step 5: Solve for x
x = 20,348,927,964.73/122,955.14 - Step 6: Final answer
x = 165,498.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.